package com.buddha.api.security;

import cn.hutool.json.JSONUtil;
import com.buddha.api.common.Constants;
import com.buddha.api.common.Result;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component
public class LoginFailureHandle implements AuthenticationFailureHandler {
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        response.setContentType("application/json;charset=UTF-8");
        ServletOutputStream outputStream = response.getOutputStream();
        Result error = Result.error(Constants.CODE_400, exception.getMessage().equals("Bad credentials")?"用户名或密码不正确":exception.getMessage());
        outputStream.write(JSONUtil.toJsonStr(error).getBytes("UTF-8"));

        outputStream.flush();
        outputStream.close();
    }
}
